I like that it allows me as well my colleagues from different locations in our office (in Germany) share screens with each other while being at home working remotely without having problems of lag etc. It's not free but we don't need much features because most things are already included so no complaints there either - just use what works best for you needs. We're using this software mostly within internal meetings where everyone gets together via Google Hangouts/Meetings to discuss ideas about projects which were assigned by management before coming into work every day.
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